(;AB[ab]AB[ac]AB[bd]AB[cd]AB[cc]AB[dc]AB[eb]AB[ea]AW[ca]AW[fa]AW[fb]AW[fc]AW[ec]AW[dd]AW[ee]AW[ce]AW[be]AW[ad]AW[ae]AP[goproblems]
(;B[bb]
(;W[db];B[ba];W[da]
(;B[cb]C[RIGHT])
(;B[eb]C[RIGHT]
(;W[ea];B[cb]C[RIGHT])
(;W[cb];B[ea];W[db];B[ca];W[da];B[cb]C[RIGHT]))
(;B[ea]C[RIGHT]
(;W[eb];B[cb]C[RIGHT])
(;W[cb];B[eb];W[db];B[cb];W[da];B[ca]C[RIGHT])))
(;W[ba];B[db];W[cb]C[SekiRIGHT]))
(;B[db];W[bb]
(;B[ba];W[cb];B[bc];W[aa]C[Disav. koCHOICE])
(;B[bc];W[ba]C[CHOICE]))
(;B[cb];W[ba];B[db];W[bb]C[CHOICE])
(;B[ba];W[bb];B[bc];W[aa]C[Disadv. koCHOICE]))